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Message-ID: <20071002064055.GA6144@localhost.sw.ru> Date: Tue, 2 Oct 2007 10:40:55 +0400 From: Alexey Dobriyan <adobriyan@...ru> To: Arjan van de Ven <arjan@...radead.org> Cc: akpm@...l.org, linux-kernel@...r.kernel.org, devel@...nvz.org Subject: Re: [PATCH] Uninline fork.c/exit.c On Mon, Oct 01, 2007 at 11:08:14AM -0700, Arjan van de Ven wrote: > On Mon, 1 Oct 2007 16:15:53 +0400 > Alexey Dobriyan <adobriyan@...ru> wrote: > > > Save ~650 bytes here. > > > > add/remove: 4/0 grow/shrink: 0/7 up/down: 430/-1088 (-658) > > function old new delta > > __copy_fs_struct - 202 +202 > > __put_fs_struct - 112 +112 > > __exit_fs - 58 +58 > > __exit_files - 58 +58 > > exit_files 58 2 -56 > > put_fs_struct 112 5 -107 > > exit_fs 161 2 -159 > > sys_unshare 774 590 -184 > > copy_process 4031 3840 -191 > > do_exit 1791 1597 -194 > > copy_fs_struct 202 5 -197 > > > > No difference in lmbench lat_proc tests on 2-way Opteron 246. > > Smaaaal degradation on UP P4 (within errors). > > > > is there any impact on stack usage? No differences in checkstack output which threshold is 100 bytes. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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